Add 72/5 and 98/42
1st number: 14 2/5, 2nd number: 2 14/42
72/5 + 98/42 is 251/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
72/5 = 72 × 42/5 × 42 = 3024/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
98/42 = 98 × 5/42 × 5 = 490/210 - Add the two like fractions:
3024/210 + 490/210 = 3024 + 490/210 = 3514/210 - 3514/210 simplified gives 251/15
- So, 72/5 + 98/42 = 251/15
In mixed form: 1611/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+98/42 72/5+98/84 72/15+98/42 72/25+98/42 72/35+98/42